body {
  font-family: Arial, sans-serif;
  background-color: #f2f2f2;
  margin: 0;
  padding: 0;
}

.container {
  max-width: 800px;
  margin: 20px auto;
  background-color: #fff;
  padding: 20px;
  border-radius: 5px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h2 {
  text-align: center;
}

.user-list {
  list-style-type: none;
  padding: 0;
}

.user-list li {
  background-color: #f9f9f9;
  padding: 10px;
  margin-bottom: 10px;
  border-radius: 5px;
}

.user-list li:hover {
  background-color: #e0e0e0;
  cursor: pointer;
}
